From 2064d81aef27492e5f9f13a14375fc505bf105ad Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= Date: Mon, 23 Feb 2015 21:52:04 +0100 Subject: [PATCH] Refactor AppsListFragment --- .../keychain/remote/ui/AppsListFragment.java | 278 +++++++++--------- OpenKeychain/src/main/res/values/strings.xml | 1 - 2 files changed, 142 insertions(+), 137 deletions(-) diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppsListFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppsListFragment.java index 976ce20d6..506b2da7f 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppsListFragment.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppsListFragment.java @@ -1,5 +1,5 @@ /* - * Copyright (C) 2013-2014 Dominik Schürmann + * Copyright (C) 2013-2015 Dominik Schürmann * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -50,8 +50,7 @@ import org.sufficientlysecure.keychain.util.Log; public class AppsListFragment extends ListFragment implements LoaderManager.LoaderCallbacks { - // This is the Adapter being used to display the list's data. - RegisteredAppsAdapter mAdapter; + AppsAdapter mAdapter; @Override public void onActivityCreated(Bundle savedInstanceState) { @@ -66,7 +65,7 @@ public class AppsListFragment extends ListFragment implements if (installed) { if (registered) { - // edit app settings + // Edit app settings Intent intent = new Intent(getActivity(), AppSettingsActivity.class); intent.setData(KeychainContract.ApiApps.buildByPackageNameUri(selectedPackageName)); startActivity(intent); @@ -75,9 +74,10 @@ public class AppsListFragment extends ListFragment implements PackageManager manager = getActivity().getPackageManager(); try { i = manager.getLaunchIntentForPackage(selectedPackageName); - if (i == null) + if (i == null) { throw new PackageManager.NameNotFoundException(); - // start like the Android launcher would do + } + // Start like the Android launcher would do i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); i.addCategory(Intent.CATEGORY_LAUNCHER); startActivity(i); @@ -91,30 +91,32 @@ public class AppsListFragment extends ListFragment implements Uri.parse("market://details?id=" + selectedPackageName))); } catch (ActivityNotFoundException anfe) { startActivity(new Intent(Intent.ACTION_VIEW, - Uri.parse("http://play.google.com/store/apps/details?id=" + selectedPackageName))); + Uri.parse("https://play.google.com/store/apps/details?id=" + selectedPackageName))); } } } }); - // Give some text to display if there is no data. In a real - // application this would come from a resource. - setEmptyText(getString(R.string.api_no_apps)); + // NOTE: No setEmptyText(), we always have the default entries // We have a menu item to show in action bar. setHasOptionsMenu(true); // Create an empty adapter we will use to display the loaded data. - mAdapter = new RegisteredAppsAdapter(getActivity(), null, 0); + mAdapter = new AppsAdapter(getActivity(), null, 0); setListAdapter(mAdapter); - // Loader is started in onResume! + // NOTE: Loader is started in onResume! } @Override public void onResume() { super.onResume(); - // after coming back from Google Play -> reload + + // Start out with a progress indicator. + setListShown(false); + + // After coming back from Google Play -> reload getLoaderManager().restartLoader(0, null, this); } @@ -123,7 +125,6 @@ public class AppsListFragment extends ListFragment implements private static final String TEMP_COLUMN_REGISTERED = "REGISTERED"; private static final String TEMP_COLUMN_ICON_RES_ID = "ICON_RES_ID"; - // These are the Contacts rows that we will retrieve. static final String[] PROJECTION = new String[]{ ApiApps._ID, // 0 ApiApps.PACKAGE_NAME, // 1 @@ -149,106 +150,17 @@ public class AppsListFragment extends ListFragment implements // Now create and return a CursorLoader that will take care of // creating a Cursor for the data being displayed. - return new CursorLoader(getActivity(), baseUri, PROJECTION, null, null, + return new AppsLoader(getActivity(), baseUri, PROJECTION, null, null, ApiApps.PACKAGE_NAME + " COLLATE LOCALIZED ASC"); } public void onLoadFinished(Loader loader, Cursor data) { - MatrixCursor availableAppsCursor = new MatrixCursor(new String[]{ - ApiApps._ID, - ApiApps.PACKAGE_NAME, - TEMP_COLUMN_NAME, - TEMP_COLUMN_INSTALLED, - TEMP_COLUMN_REGISTERED, - TEMP_COLUMN_ICON_RES_ID - }); - // NOTE: SORT ascending by package name, this is REQUIRED for CursorJoiner! - // Drawables taken from projects res/drawables-xxhdpi/ic_launcher.png - availableAppsCursor.addRow(new Object[]{1, "com.fsck.k9", "K-9 Mail", 0, 0, R.drawable.apps_k9}); - availableAppsCursor.addRow(new Object[]{1, "com.zeapo.pwdstore", "Password Store", 0, 0, R.drawable.apps_password_store}); - availableAppsCursor.addRow(new Object[]{1, "eu.siacs.conversations", "Conversations (Instant Messaging)", 0, 0, R.drawable.apps_conversations}); - - MatrixCursor mergedCursor = new MatrixCursor(new String[]{ - ApiApps._ID, - ApiApps.PACKAGE_NAME, - TEMP_COLUMN_NAME, - TEMP_COLUMN_INSTALLED, - TEMP_COLUMN_REGISTERED, - TEMP_COLUMN_ICON_RES_ID - }); - - CursorJoiner joiner = new CursorJoiner( - availableAppsCursor, - new String[]{ApiApps.PACKAGE_NAME}, - data, - new String[]{ApiApps.PACKAGE_NAME}); - for (CursorJoiner.Result joinerResult : joiner) { - switch (joinerResult) { - case LEFT: { - // handle case where a row in availableAppsCursor is unique - String packageName = availableAppsCursor.getString(INDEX_PACKAGE_NAME); - - mergedCursor.addRow(new Object[]{ - 1, // no need for unique _ID - packageName, - availableAppsCursor.getString(INDEX_NAME), - isInstalled(packageName), - 0, - availableAppsCursor.getInt(INDEX_ICON_RES_ID) - }); - break; - } - case RIGHT: { - // handle case where a row in data is unique - String packageName = data.getString(INDEX_PACKAGE_NAME); - - mergedCursor.addRow(new Object[]{ - 1, // no need for unique _ID - packageName, - null, - isInstalled(packageName), - 1, // registered! - R.drawable.ic_launcher // icon is retrieved later - }); - break; - } - case BOTH: { - // handle case where a row with the same key is in both cursors - String packageName = data.getString(INDEX_PACKAGE_NAME); - - String name; - if (isInstalled(packageName) == 1) { - name = data.getString(INDEX_NAME); - } else { - // if not installed take name from available apps list - name = availableAppsCursor.getString(INDEX_NAME); - } - - mergedCursor.addRow(new Object[]{ - 1, // no need for unique _ID - packageName, - name, - isInstalled(packageName), - 1, // registered! - R.drawable.ic_launcher // icon is retrieved later - }); - break; - } - } - } - // Swap the new cursor in. (The framework will take care of closing the // old cursor once we return.) - mAdapter.swapCursor(mergedCursor); - } + mAdapter.swapCursor(data); - private int isInstalled(String packageName) { - try { - getActivity().getPackageManager().getApplicationInfo(packageName, 0); - return 1; - } catch (final PackageManager.NameNotFoundException e) { - return 0; - } + // The list should now be shown. + setListShown(true); } public void onLoaderReset(Loader loader) { @@ -258,12 +170,127 @@ public class AppsListFragment extends ListFragment implements mAdapter.swapCursor(null); } - private class RegisteredAppsAdapter extends CursorAdapter { + /** + * Besides the queried cursor with all registered apps, this loader also returns non-installed + * proposed apps using a MatrixCursor. + */ + private static class AppsLoader extends CursorLoader { + + public AppsLoader(Context context) { + super(context); + } + + public AppsLoader(Context context, Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { + super(context, uri, projection, selection, selectionArgs, sortOrder); + } + + @Override + public Cursor loadInBackground() { + // Load registered apps from content provider + Cursor data = super.loadInBackground(); + + MatrixCursor availableAppsCursor = new MatrixCursor(new String[]{ + ApiApps._ID, + ApiApps.PACKAGE_NAME, + TEMP_COLUMN_NAME, + TEMP_COLUMN_INSTALLED, + TEMP_COLUMN_REGISTERED, + TEMP_COLUMN_ICON_RES_ID + }); + // NOTE: SORT ascending by package name, this is REQUIRED for CursorJoiner! + // Drawables taken from projects res/drawables-xxhdpi/ic_launcher.png + availableAppsCursor.addRow(new Object[]{1, "com.fsck.k9", "K-9 Mail", 0, 0, R.drawable.apps_k9}); + availableAppsCursor.addRow(new Object[]{1, "com.zeapo.pwdstore", "Password Store", 0, 0, R.drawable.apps_password_store}); + availableAppsCursor.addRow(new Object[]{1, "eu.siacs.conversations", "Conversations (Instant Messaging)", 0, 0, R.drawable.apps_conversations}); + + MatrixCursor mergedCursor = new MatrixCursor(new String[]{ + ApiApps._ID, + ApiApps.PACKAGE_NAME, + TEMP_COLUMN_NAME, + TEMP_COLUMN_INSTALLED, + TEMP_COLUMN_REGISTERED, + TEMP_COLUMN_ICON_RES_ID + }); + + CursorJoiner joiner = new CursorJoiner( + availableAppsCursor, + new String[]{ApiApps.PACKAGE_NAME}, + data, + new String[]{ApiApps.PACKAGE_NAME}); + for (CursorJoiner.Result joinerResult : joiner) { + switch (joinerResult) { + case LEFT: { + // handle case where a row in availableAppsCursor is unique + String packageName = availableAppsCursor.getString(INDEX_PACKAGE_NAME); + + mergedCursor.addRow(new Object[]{ + 1, // no need for unique _ID + packageName, + availableAppsCursor.getString(INDEX_NAME), + isInstalled(packageName), + 0, + availableAppsCursor.getInt(INDEX_ICON_RES_ID) + }); + break; + } + case RIGHT: { + // handle case where a row in data is unique + String packageName = data.getString(INDEX_PACKAGE_NAME); + + mergedCursor.addRow(new Object[]{ + 1, // no need for unique _ID + packageName, + null, + isInstalled(packageName), + 1, // registered! + R.drawable.ic_launcher // icon is retrieved later + }); + break; + } + case BOTH: { + // handle case where a row with the same key is in both cursors + String packageName = data.getString(INDEX_PACKAGE_NAME); + + String name; + if (isInstalled(packageName) == 1) { + name = data.getString(INDEX_NAME); + } else { + // if not installed take name from available apps list + name = availableAppsCursor.getString(INDEX_NAME); + } + + mergedCursor.addRow(new Object[]{ + 1, // no need for unique _ID + packageName, + name, + isInstalled(packageName), + 1, // registered! + R.drawable.ic_launcher // icon is retrieved later + }); + break; + } + } + } + + return mergedCursor; + } + + private int isInstalled(String packageName) { + try { + getContext().getPackageManager().getApplicationInfo(packageName, 0); + return 1; + } catch (final PackageManager.NameNotFoundException e) { + return 0; + } + } + } + + private class AppsAdapter extends CursorAdapter { private LayoutInflater mInflater; private PackageManager mPM; - public RegisteredAppsAdapter(Context context, Cursor c, int flags) { + public AppsAdapter(Context context, Cursor c, int flags) { super(context, c, flags); mInflater = LayoutInflater.from(context); @@ -273,44 +300,23 @@ public class AppsListFragment extends ListFragment implements /** * Similar to CursorAdapter.getItemId(). * Required to build Uris for api apps, which are not based on row ids - * - * @param position - * @return */ public String getItemPackageName(int position) { - if (mDataValid && mCursor != null) { - if (mCursor.moveToPosition(position)) { - return mCursor.getString(INDEX_PACKAGE_NAME); - } else { - return null; - } + if (mDataValid && mCursor != null && mCursor.moveToPosition(position)) { + return mCursor.getString(INDEX_PACKAGE_NAME); } else { return null; } } public boolean getItemIsInstalled(int position) { - if (mDataValid && mCursor != null) { - if (mCursor.moveToPosition(position)) { - return (mCursor.getInt(INDEX_INSTALLED) == 1); - } else { - return false; - } - } else { - return false; - } + return mDataValid && mCursor != null + && mCursor.moveToPosition(position) && (mCursor.getInt(INDEX_INSTALLED) == 1); } public boolean getItemIsRegistered(int position) { - if (mDataValid && mCursor != null) { - if (mCursor.moveToPosition(position)) { - return (mCursor.getInt(INDEX_REGISTERED) == 1); - } else { - return false; - } - } else { - return false; - } + return mDataValid && mCursor != null + && mCursor.moveToPosition(position) && (mCursor.getInt(INDEX_REGISTERED) == 1); } @Override diff --git a/OpenKeychain/src/main/res/values/strings.xml b/OpenKeychain/src/main/res/values/strings.xml index 97e6a9d71..4a56274d7 100644 --- a/OpenKeychain/src/main/res/values/strings.xml +++ b/OpenKeychain/src/main/res/values/strings.xml @@ -476,7 +476,6 @@ "Decrypt with OpenKeychain" - "No registered apps!\n\nA list of supported third-party applications can be found in 'Help'!" "Show advanced information" "Hide advanced information" "Show advanced settings"